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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| import { Binary } from '@polkadot-api/substrate-bindings' | ||
| import { describe, expect, it, vi } from 'vitest' | ||
| import type { FollowEventWithRuntime, StorageItemResponse } from '@polkadot-api/substrate-client' | ||
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| import { api, asyncSpy, dev, env, setupApi, substrateClient } from './helper.js' | ||
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| setupApi(env.acala) | ||
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| describe('chainHead_v1 rpc', () => { | ||
| it('reports the chain state', async () => { | ||
| const onEvent = asyncSpy<[FollowEventWithRuntime], []>() | ||
| const onError = vi.fn() | ||
| const follower = substrateClient.chainHead(true, onEvent, onError) | ||
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| const initialized = await onEvent.nextCall() | ||
| expect(initialized).toMatchSnapshot() | ||
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| const blockHash = await dev.newBlock() | ||
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| const [[newBlock], [bestBlock], [finalized]] = onEvent.mock.calls.slice(1) | ||
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| expect(newBlock).toEqual({ | ||
| type: 'newBlock', | ||
| blockHash, | ||
| parentBlockHash: {}, | ||
| newRuntime: null, | ||
| }) | ||
| expect(bestBlock).toEqual({ | ||
| type: 'bestBlockChanged', | ||
| bestBlockHash: blockHash, | ||
| }) | ||
| expect(finalized).toEqual({ | ||
| type: 'finalized', | ||
| finalizedBlockHashes: [blockHash], | ||
| prunedBlockHashes: [], | ||
| }) | ||
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| expect(onError).not.toHaveBeenCalled() | ||
| follower.unfollow() | ||
| }) | ||
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| it('resolves storage queries', async () => { | ||
| const onEvent = asyncSpy<[FollowEventWithRuntime], []>() | ||
| const onError = vi.fn() | ||
| const follower = substrateClient.chainHead(true, onEvent, onError) | ||
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| const initialized = await onEvent.nextCall() | ||
| const initializedHash = (initialized.type === 'initialized' && initialized.finalizedBlockHashes[0]) || '' | ||
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| const key = Binary.fromBytes( | ||
| api.query.system.account.creator('5F98oWfz2r5rcRVnP9VCndg33DAAsky3iuoBSpaPUbgN9AJn').slice(2), | ||
| ).asHex() | ||
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| // An empty value resolves to null | ||
| expect(await follower.storage(initializedHash, 'value', key, null)).toEqual(null) | ||
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| // With an existing value it returns the SCALE-encoded value. | ||
| const hash = '0xfc41b9bd8ef8fe53d58c7ea67c794c7ec9a73daf05e6d54b14ff6342c99ba64c' | ||
| expect(await follower.storage(hash, 'value', key, null)).toMatchSnapshot() | ||
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| expect(onError).not.toHaveBeenCalled() | ||
| follower.unfollow() | ||
| }) | ||
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| it('resolves partial key storage queries', async () => { | ||
| const onEvent = asyncSpy<[FollowEventWithRuntime], []>() | ||
| const onError = vi.fn() | ||
| const follower = substrateClient.chainHead(true, onEvent, onError) | ||
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| const initialized = await onEvent.nextCall() | ||
| const initializedHash = (initialized.type === 'initialized' && initialized.finalizedBlockHashes[0]) || '' | ||
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| const key = Binary.fromBytes(api.query.tokens.totalIssuance.creator.iterKey!()).asHex() | ||
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| // An empty value resolves to null | ||
| let receivedItems: StorageItemResponse[] = [] | ||
| const onDone = asyncSpy() | ||
| const onDiscardedItems = vi.fn() | ||
| follower.storageSubscription( | ||
| initializedHash, | ||
| [ | ||
| { | ||
| key, | ||
| type: 'descendantsValues', | ||
| }, | ||
| ], | ||
| null, | ||
| (items) => (receivedItems = [...receivedItems, ...items]), | ||
| onError, | ||
| onDone, | ||
| onDiscardedItems, | ||
| ) | ||
| await onDone.nextCall() | ||
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| expect(onDiscardedItems).toHaveBeenCalledWith(0) | ||
| expect(receivedItems.length).toEqual(23) | ||
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| expect(onError).not.toHaveBeenCalled() | ||
| follower.unfollow() | ||
| }) | ||
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| it('resolves the header for a specific block', async () => { | ||
| const onEvent = asyncSpy<[FollowEventWithRuntime], []>() | ||
| const onError = vi.fn() | ||
| const follower = substrateClient.chainHead(true, onEvent, onError) | ||
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| const initialized = await onEvent.nextCall() | ||
| const hash = (initialized.type === 'initialized' && initialized.finalizedBlockHashes[0]) || '' | ||
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| expect(await follower.header(hash)).toMatchSnapshot() | ||
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| expect(onError).not.toHaveBeenCalled() | ||
| follower.unfollow() | ||
| }) | ||
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| it('runs runtime calls', async () => { | ||
| const onEvent = asyncSpy<[FollowEventWithRuntime], []>() | ||
| const onError = vi.fn() | ||
| const follower = substrateClient.chainHead(true, onEvent, onError) | ||
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| const initialized = await onEvent.nextCall() | ||
| const hash = (initialized.type === 'initialized' && initialized.finalizedBlockHashes[0]) || '' | ||
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| expect(await follower.call(hash, 'Core_version', '')).toMatchSnapshot() | ||
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| await expect(follower.call(hash, 'bruh', '')).rejects.toThrow('Function to start was not found') | ||
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| expect(onError).not.toHaveBeenCalled() | ||
| follower.unfollow() | ||
| }) | ||
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| it('retrieves the body for a specific block', async () => { | ||
| const onEvent = asyncSpy<[FollowEventWithRuntime], []>() | ||
| const onError = vi.fn() | ||
| const follower = substrateClient.chainHead(true, onEvent, onError) | ||
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| const initialized = await onEvent.nextCall() | ||
| const hash = (initialized.type === 'initialized' && initialized.finalizedBlockHashes[0]) || '' | ||
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| expect(await follower.body(hash)).toMatchSnapshot() | ||
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| expect(onError).not.toHaveBeenCalled() | ||
| follower.unfollow() | ||
| }) | ||
| }) |
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